Imam Ahmad ibn Ali al-Asqalani (d. 852/1448), famously known as 'Ibn
Hajar' after one of his ancestors is arguably the best hadith scholar of
the Mamluk period. The 'Dhahabi' of his time and the amir al-muminin of the hadith scholars. Imam al-Suyuti says that he drank from the well of zamzam
and prayed to Allah to give him more knowledge than Shams ad-Din
adh-Dhahabi. He is the author of over 300 books some going into lengthy
volumes. He died on Friday 28 Dhi al-Hijja [852 hijri] and was buried in
al-Qarrafa, Cairo, now famously known as the City of the Dead (madinat al-mawta).

Shaykh Dr. Nur al-Din ‘Itr (born in 1934) is one of the leading contemporary scholars from Aleppo, Syria in Qur'anic and Hadith
sciences. After studying at Al-Azhar, Cairo for many years he served as
the head of the 'Faculty for Qur'anic and Hadith Sciences' and as a
professor at the University of Damascus and other Islamic institutes